Activist investor Nelson Peltz, who runs Trian Fund Management, filed his 13F with the SEC. During the second quarter ended June 30, Trian snapped up a large stake in Du Pont E I De Nemours & Co. The fund owned 5,778,403 shares in the second quarter, the filing shows.

By Insider Monkey: We have compiled over four hundred 13F filings for the fourth quarter of 2012 and have been analyzing them to determine where hedge funds found value, unwound positions, or reiterated their views on existing holdings.

By Dividendinvestr:In 2005, Nelson Peltz co-founded Trian Fund Management L.P. with Peter W. May and Edward P. Garden. The company currently has some $4 billion in assets under management. Peltz is an activist investor, who serves as a chairman of the board at Wendy's (WEN) and a director at Legg Mason (LM) and H. J.

Activist investor Nelson Peltz, the CEO/founding partner Trian Fund Management, is speaking at the CNBC/Institutional Investor Delivering Alpha. Peltz said he would talk about Pepsi and Mondelez during the panel. Andrew Ross Sorkin tried asking him about DuPont. Sorkin says sources say he has a big stake in the company.

Nelson Peltz’s Trian Fund Management LP disclosed today in a 13D SEC filing that it had accumulated around 28.9 million shares in The Bank of New York Mellon Corporation (BK), worth almost $1.05 billion. The activist investor said his hedge fund had taken up the 2.5% stake in an effort to push for sweeping structural changes to improve the profitability of one of America’s largest custodian banks.

By Stephen Simpson:I'll give credit where it's due - the involvement of Nelson Peltz and his Trian Fund Management, and the willingness of Ingersoll Rand's (IR) management to embrace that involvement, has definitely delivered substantial near-term benefits to shareholders.

Nelson Peltz – whose hedge fund, Trian Fund Management LP, owns a stake of over $1 billion in PepsiCo (PEP) – has been pushing the soft drink maker to split its beverage and snacks business. The company’s board and management shot down his idea, but Peltz is not willing to take no for an answer, and has hinted on initiating a proxy contest to control the board.

(Reuters) - Trian Fund Management LP, founded by activist investor Nelson Peltz, has partially sold its stake in State Street Corp , the Wall Street Journal reported, citing people familiar with the decision. It was not clear how much Trian still owns of State Street, the world's No. 2 stand-alone custody bank. The size of its stake is likely to be disclosed next month as part of the New York investment firm's overall holdings, the Journal said. (http://link.reuters. ...